lecture26

lecture26 - Example What volume percentage of an iceberg is...

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Example : What volume percentage of an iceberg is underwater? The iceberg is floating, so: W F B = W W f = mg g m f = m m f = V V f f ρ = This is the volume of ice under water. f V V = % 7 . 91 917 . 0 1000 917 = = = f Almost 92% of the iceberg is under water!!!

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11.9-11.10 The Bernoulli Effect The Bernoulli Effect is one topic we will study qualitatively which deals with fluids in motion. It is basically an energy conservation effect for a given volume of fluid. 2 2 2 2 1 2 1 2 1 2 1 1 gy v P gy v P ρ + + = + + The Bernoulli Equation It demonstrates the relationship between pressure, speed, and height of a fluid. Qualitatively, if the speed of a fluid increases, the pressure in the fluid decreases. This effect occurs in many situations: Airplanes Shower curtains Curve balls Truck tarps v 1 v 2 p Prairie dog homes Air flow
Ch. 12 Temperature and Heat 12.1 Temperature What is Temperature ? It is a measure of how “hot” something is.

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lecture26 - Example What volume percentage of an iceberg is...

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